roller coaster effect for ws2812 led strip
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#ifndef FX_FLASH_H
#define FX_FLASH_H
#include <Adafruit_NeoPixel.h>
#include <math.h>
#include "effect.h"
class FX_Flash : public Effect
FX_Flash(int numpixels,Adafruit_NeoPixel *strip,uint8_t *height,uint32_t flashcolor);
void updateRoutine(float updatedelayms);
void updateGraphics();
uint32_t Wheel(byte WheelPos,float brightness);
bool active();
int _numpixels;
Adafruit_NeoPixel *_strip;
uint32_t _flashcolor;
long _starttime;
uint8_t _brightness;
long _flashtime;
uint8_t *_height;